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NHL concussions not reduced by bodychecking rules

Aug 17, 2013 by

Despite new rules regulating contact to the head, there hasn’t been a decrease in the number of concussions in the National Hockey League. In a recent study, researchers found that 64 percent of the concussions were caused by body-checking, vs. only 28 percent from illegal incidents.

http://www.medicalnewstoday.com/releases/263574.php